There are many ways to change the reserved credit card number. I will introduce two methods:

1. Online banking modification

1. Open the homepage of ICBC and select Personal Online banking login;

2. Open your personal online banking login page, enter your bank card number, login password (not the withdrawal password), and click to log in after the verification code;

3 , enter the online banking welcome interface, and then click Security Center in the above tab;

4. At this time, you can find the modified reservation information on the left. After clicking, your current reservation will be displayed. Information, just enter your new reserved information, which is your mobile phone number.

2. Business hall modification

1. Bring your ID card and bank card, go to the ICBC branch near you, and tell the hall manager that you want to modify the reserved mobile phone number. ;

2. Handle the bank's "Inquiry and Maintenance of Personal Customer Contact Information" business, query contact information and whether the mobile phone number exists in the mobile phone contact information;

3. If the mobile phone number does not exist , just tell the salesperson to add a new mobile phone number;

4. If the mobile phone number already exists, please tell the salesperson that you want to change the mobile phone number, and then tell him the mobile phone number.